1、Enhanced Insulation: This thermal window insulation kit is made of thickened PE material, 75% thicker than regular insulation windows, ensuring improved durability and superior insulation performance. It is tear resistant, wind resistant, and exhibits excellent resilience and shrinkage resistance. The material remains unaffected by external forces and is waterproof, providing a warm and cozy environment in winter. 2、Complete Set for Multiple Windows: The kit includes one cuttable transparent film and two rolls of 0.78 inch wide hook and loop tape, suitable for most window sizes. It is sufficient to insulate your entire home during winter. Our tape is wider and stickier, ensuring firm and long lasting adhesion. 3、Reusable and Easy to Maintain: For daily cleaning, simply wipe off the dust with a damp cloth. To clean the insulation covers, remove them from the windows and rinse them clean. Afterward, let them dry and reinstall. The flexible and transparent material can be folded for convenient storage and repeated use in the future. 4、Easy Installation and Removal: Hook and loop fasteners and reinforced windproof hooks are added to the top and sides of the winter window insulation material. It adheres well to the frame, and the circular tape makes installation a breeze without the need for drilling tools. When ventilation is needed, simply remove the tape to open the windows. 5、Wide Range of Applications: The indoor plastic window covers are suitable for most window types, including aluminum frames, wrought iron grids, sliding windows, casement windows, bathroom windows, attic fans, blinds covers, doors, whole house attic fans, blinds sealing covers, and attic ventilation openings. 1 x Window Insulation Film2 x Double Sided Tape Item Type: Window Insulation KitMaterial: PEApplication: Suitable for winter window heat insulation